Finding the Fourth Proportional to 111,757.96, 154,227.09 and 64,010.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,757.96 : 154,227.09 = 64,010.31 : x
2. Step 2: Convert to fraction form
   111,757.96/154,227.09 = 64,010.31/x
3. Step 3: Cross multiply
   111,757.96x = 154,227.09 × 64,010.31
4. Step 4: Simplify right side
   111,757.96x = 9,872,123,841.30
5. Step 5: Solve for x
   x = 9,872,123,841.30/111,757.96
6. Step 6: Final answer
   x = 88,334.86